mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-19 04:15:51 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28495 3c298f89-4303-0410-b956-a3cf2f4a3e73
162 lines
4.5 KiB
Bash
Executable File
162 lines
4.5 KiB
Bash
Executable File
#!/bin/sh
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[ -z "$1" ] && echo "Error: should be run by udhcpc" && exit 1
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. /etc/functions.sh
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include /lib/network
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RESOLV_CONF="/tmp/resolv.conf.auto"
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change_state () {
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[ -n "$ifc" ] || return
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uci_revert_state "$1" "$2" "$3" "$4"
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uci_set_state "$1" "$2" "$3" "$4"
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}
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set_classless_routes() {
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local max=128
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local type
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while [ -n "$1" -a -n "$2" -a $max -gt 0 ]; do
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[ ${1##*/} -eq 32 ] && type=host || type=net
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echo "udhcpc: adding route for $type $1 via $2"
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route add -$type "$1" gw "$2" dev "$interface"
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max=$(($max-1))
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shift 2
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done
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}
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setup_interface () {
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local old_ip
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local old_broadcast
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local old_subnet
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local old_router
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local old_dns
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local user_dns
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local user_router
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local user_metric
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[ -n "$ifc" ] && {
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old_ip="$(uci_get_state network "$ifc" ipaddr)"
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old_broadcast="$(uci_get_state network "$ifc" broadcast)"
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old_subnet="$(uci_get_state network "$ifc" netmask)"
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}
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[ "$ip" != "$old_ip" ] \
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|| [ "${broadcast:-+}" != "$old_broadcast" ] \
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|| [ "${subnet:-255.255.255.0}" != "$old_subnet" ] && {
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echo "udhcpc: ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}"
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ifconfig $interface $ip netmask ${subnet:-255.255.255.0} broadcast ${broadcast:-+}
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change_state network "$ifc" ipaddr "$ip"
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change_state network "$ifc" broadcast "${broadcast:-+}"
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change_state network "$ifc" netmask "${subnet:-255.255.255.0}"
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}
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# Default Route
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[ -n "$ifc" ] && {
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change_state network "$ifc" lease_gateway "$router"
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old_router="$(uci_get_state network "$ifc" gateway)"
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user_router="$(uci_get network "$ifc" gateway)"
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user_metric="$(uci_get network "$ifc" metric)"
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[ -n "$user_router" ] && router="$user_router"
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}
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[ -n "$router" ] && [ "$router" != "0.0.0.0" ] && [ "$router" != "255.255.255.255" ] && [ "$router" != "$old_router" ] && {
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echo "udhcpc: setting default routers: $router"
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local valid_gw=""
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for i in $router ; do
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route add default gw $i ${user_metric:+metric $user_metric} dev $interface
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valid_gw="${valid_gw:+$valid_gw|}$i"
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done
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eval $(route -n | awk '
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/^0.0.0.0\W{9}('$valid_gw')\W/ {next}
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/^0.0.0.0/ {print "route del -net "$1" gw "$2";"}
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')
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change_state network "$ifc" gateway "$router"
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}
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# CIDR STATIC ROUTES (rfc3442)
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[ -n "$staticroutes" ] && set_classless_routes $staticroutes
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[ -n "$msstaticroutes" ] && set_classless_routes $msstaticroutes
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# DNS
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old_dns=$(uci_get_state network "$ifc" dns)
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old_domain=$(uci_get_state network "$ifc" dnsdomain)
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user_dns=$(uci_get "network.$ifc.dns")
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[ -n "$user_dns" ] && dns="$user_dns"
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[ -n "$dns" ] && [ "$dns" != "$old_dns" -o -n "$user_dns" ] && {
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echo "udhcpc: setting dns servers: $dns"
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add_dns "$ifc" $dns
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[ -n "$domain" ] && [ "$domain" != "$old_domain" ] && {
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echo "udhcpc: setting dns domain: $domain"
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sed -i -e "${old_domain:+/^search $old_domain$/d; }/^search $domain$/d" "${RESOLV_CONF}"
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echo "search $domain" >> "${RESOLV_CONF}"
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change_state network "$ifc" dnsdomain "$domain"
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}
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}
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[ -n "$ifc" ] || return
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# UCI State
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change_state network "$ifc" lease_server "$serverid"
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change_state network "$ifc" lease_acquired "$(sed -ne 's![^0-9].*$!!p' /proc/uptime)"
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change_state network "$ifc" lease_lifetime "$lease"
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[ -n "$ntpsrv" ] && change_state network "$ifc" lease_ntpsrv "$ntpsrv"
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[ -n "$timesvr" ] && change_state network "$ifc" lease_timesrv "$timesvr"
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[ -n "$hostname" ] && change_state network "$ifc" lease_hostname "$hostname"
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[ -n "$timezone" ] && change_state network "$ifc" lease_timezone "$timezone"
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# Hotplug
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env -i ACTION="$1" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
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}
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scan_interfaces
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applied=
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for ifc in $interfaces __default; do
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if [ "$ifc" = __default ]; then
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ifc=""
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[ -n "$applied" ] && continue
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else
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config_get ifname "$ifc" ifname
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[ "$ifname" = "$interface" ] || continue
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config_get proto "$ifc" proto
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[ "$proto" = "dhcp" ] || continue
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applied=true
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fi
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case "$1" in
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deconfig)
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ifconfig "$interface" 0.0.0.0
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[ -n "$ifc" ] && {
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env -i ACTION="ifdown" INTERFACE="$ifc" DEVICE="$ifname" PROTO=dhcp /sbin/hotplug-call iface
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config_get device "$ifc" device
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config_get ifname "$ifc" ifname
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config_get aliases "$ifc" aliases
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uci_revert_state network "$ifc"
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[ -n "$device" ] && uci_set_state network "$ifc" device "$device"
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[ -n "$ifname" ] && uci_set_state network "$ifc" ifname "$ifname"
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[ -n "$aliases" ] && uci_set_state network "$ifc" aliases "$aliases"
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}
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;;
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renew)
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setup_interface update
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;;
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bound)
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setup_interface ifup
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;;
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esac
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done
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# user rules
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[ -f /etc/udhcpc.user ] && . /etc/udhcpc.user
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exit 0
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